GRM Services LLC

"Quality HVAC Services at Fair Prices"

Located in Succasunna, NJ and serving Morris, Sussex and Warren Counties

Fully Insured and Licensed - NJHVACR License #19HC00933400

Contact us at (862) 419-3220 or

GRM Services LLC was started when we realized our friends and family were paying way too much for HVAC maintenance and installations. With over 20 years in the HVAC industry, we have seen countless instances of the poor quality of work that some contractors provide to good, hardworking people. We strive to give the highest quality product at the lowest possible prices for our customers.

Did you know you can sign in to the Client Hub by scanning the QR Code or clicking this link? In the Client Hub you can view and pay invoices, manage quotes and request services. If you are not an existing customer, simply put your email into the box on the first page and follow the link on the second page. Thank you!

A/C Replacement

Out with the old, in with the new. Replacing this 30+ year old broken down unit with a 16-SEER heat pump. This customer has an oil fired furnace and the new unit will be the first stage of heat with the oil fired being the second stage of heat when the heat pump is at capacity. Contact us today for your new A/C Unit! 862-419-3220 or email

30+ Year Old Unit

16-SEER Heat Pump A/C